TEACHING
INFORMATION
TECHNOLOGY (ICT)
AND
COMMUNICATION
-requires a structured approach that
balances theoretical knowledge with hands-on activities.
CORE CONCEPTS TO TEACH IN ICT
1. BASIC COMPUTER SKILLS
 Parts of a Computer, Introduce hardware components
such as the CPU, monitor, keyboard, and mouse
 Operating Systems: Teach the basics of Windows, macOS,
and Linux
 File
Management:
Cover
creating,
organizing,
and
securing digital files.
 Navigation Skills: include typing proficiency, keyboard
shortcuts, and web browsing essentials.
2. SOFTWARE APPLICATIONS
 Productivity Tools: Explore Microsoft Office and Google
Workspace tools for word processing, spreadsheets, and
presentations.
 Advanced Features: Teach macros in spreadsheets, mail
merges
in
word
processors,
and
animations
in
presentations.
3. DIGITAL LITERACY
 Internet Safety: Discuss safe browsing practices and
recognizing phishing attempts.
 Evaluating Online Sources: Teach how to differentiate
credible sources from unreliable ones.
 Digital Citizenship: Emphasize ethical behavior and social
responsibility in online interactions.
4. NETWORKING AND HARDWARE
 Networking Basics: Explain how data moves through
networks, including concepts like IP addresses and
protocols
 Troubleshooting
Provide
hands-on
experience
in
diagnosing and solving hardware and connectivity issues.
5. EMERGING TECHNOLOGIES
 Artificial Intelligence; introduce basic AI applications and
concepts like machine learning
 Internet of Things (IoT): Explore how connected devices
operate and their implications
 Cloud Computing: Discuss data storage collaboration and
the scalability of cloud-based services
6. MULTIMEDIA SKILLS
 Image and Video Editing: Use tools like Photoshop, Canva,
or Open Shot to teach editing techniques
 Graphic Design: Provide basics of layout, typography, and
color theory for digital projects
7. ETHICS IN ICT
 Privacy and
security highlight the
importance
of
protecting personal and organizational data.
 Responsible Technology Use: discuss the societal
impact of technology misuse, such as cyberbullying.
EFFECTIVE STRATEGIES FOR TEACHING ICT
 HANDS-ON ACTIVITIES
PROJECT-BASED
LEARNING-
Implement
projects
like
creating blogs, designing websites, or building basic
software programs
 BLENDED LEARNING
INTEGRATION OF ONLINE TOOLS – Combine classroom
teaching with online modules to allow self-paced exploration
 COLLABORATIVE LEARNING
TEAM-BASED
PROJECTS-
Encourage
teamwork
through
activities like group presentations or collaborative coding
tasks
 GAMIFICATION
INTERACTIVE TOOLS- Use platforms like Kahoot, Scratch, or
coding games to make learning engaging
 REAL-WORLD APPLICATIONS
PRACTICAL RELEVANCE- Show the utility of ICT skills in
everyday scenarios, such as managing budgets with Excel or
crafting impactful presentations
 DIFFERENTIATED INSTRUCTION
CUSTOM PATHWAYS- Provide customized learning activities
for students of varying skill levels
 FEEDBACK AND ASSESSMENT
DIVERSE EVALUATIONS- Incorporate quizzes, project reviews,
and peer assessments to measure understanding effectively.
TOOLS AND RESOURCES FOR ICT TEACHING
HARDWARE
DEVICES- Ensure access to computers, tablets, or laptops for
all students
NETWORKING TOOLS- Provide routers switches and cabling
for network exercises
INTERACTIVE EQUIPMENT- Use interactive whiteboards or
projectors for demonstrations
SOFTWARE AND PLATFORMS
PRODUCTIVITY TOOLS- word, excel, PowerPoint, google, and
such…
LEARNING MANAGEMENT SYSTEMS (LMS)
COLLABORATION TOOLS
MULTIMEDIA TOOLS
TECH EDUCATION RESOURCES
CURRICULUM GUIDES
PROFESSIONAL DEVELOPMENT FOR ICT TEACHERS
CERTIFICATIONS
Google Certified Educator
Microsoft Innovative Educator
Coursera
Workshops and Online Courses
Communities of Practice: Join professional organizations like
ISTE (International Society for Technology in Education) to
exchange ideas and resources.
COMPUTER HARDWARE SYSTEM
The computer hardware system forms the physical foundation
of a computer, enabling it to perform tasks and execute
software instructions. It consists of various interconnected
components, each with a specific role in data processing,
storage,
and
communication.
Understanding
computer
hardware is essential for anyone aiming to effectively use,
troubleshoot, or design computer systems.
1. Central Processing Unit (CPU)
The CPU, often referred to as the "brain" of the computer, is
responsible
for
executing
instructions
and
performing
calculations required for tasks. It comprises two primary
units:
Control Unit (CU):
Manages the flow of data and instructions within the
computer, ensuring they are processed in the correct
sequence.
Arithmetic Logic Unit (ALU)- Handles mathematical operations
and logical comparisons, which are fundamental to program
execution. Modern CPUs are equipped with multiple cores,
enabling them to handle numerous tasks simultaneously,
enhancing processing speed and efficiency Additionally,
technologies like hyper-threading allow a single core to
process multiple threads, further boosting performance.
2. Motherboard
The motherboard serves as the backbone of the computer,
connecting
all
hardware
components
and
facilitating
communication between them. Key features include:
Chipsets: -Regulate data flow between the CPU, memory, and
peripheral devices.
Expansion Slots:- Accommodate additional components such
as graphics cards and sound cards, allowing users to
customize their systems.
BIOS/UEFI Firmware: - Initializes hardware components during
system startup and provides a user interface for system
configuration. The motherboard ensures that all components
operate harmoniously, making it an essential part of the
computer's architecture.
3. Memory- Memory is vital for storing data and instructions
required for processing tasks. Types of memory include:
Primary Memory (RAM)- Provides temporary storage for active
processes and data. It is volatile, meaning its contents are lost
when the computer is powered off. The size and speed of RAM
significantly influence system performance.
Secondary Memory- Offers permanent storage for data and
programs. Examples include:
Hard Disk Drives (HDDs): Utilize spinning magnetic disks to
store data, offering high capacity at a lower cost.
• Solid-State Drives (SSDs): Use flash memory for faster data
access, improved durability, and energy efficiency.
Cache Memory- A small, high-speed memory located close to
the CPU, storing frequently accessed data to expedite
processing
Read-Only Memory (ROM)- Contains firmware that helps
initialize the system during startup and remains unchanged
during operation. Each type of memory contributes uniquely
to the computer's overall functionality and performance.
4. Input and Output Devices
Input and output devices are the interface between the user
and the computer system. Examples include:
Input Devices- Allow users to enter data and commands into
the system. Common devices are:
1. Keyboards: For typing text and commands.
2.Mice: For navigating graphical interfaces.
3. Scanners: For digitizing physical documents and images
4. Microphones: For audio input, such as voice commands and
recordings.
Output Devices- Present processed data to the user. Examples
include
1.Monitors. Display visual feedback, ranging from basic text
to high-resolution graphics.
2. Printers: Produce physical copies of digital documents and
images
3. Speakers: Output audio for entertainment, communication,
and alerts. Some devices, like touchscreens and VR headsets,
serve as both input and output tools, enabling seamless
interaction and immersive experiences
5. Power Supply Unit (PSU)
The PSU converts electrical energy from an external source
into a usable form for computer components It ensures stable
and reliable power delivery, protecting hardware from voltage
fluctuations and power surges Choosing an efficient PSU is
critical for energy savings and system longevity.
6. Storage Devices
Internal Storage-Fixed drives like HDDs and SSDs inside the
computer, providing primary storage.
External Storage- Portable drives like USB flash drives and
external HDDs, offer additional and transferable storage
options. Storage solutions have evolved to offer higher
capacities, faster speeds, and increased reliability, catering
to diverse user needs.
7. Peripherals
Peripherals extend the computer's capabilities beyond its
core functions. These include:
Input Peripherals- Such as game controllers and webcams for
specialized input tasks.
Output Peripherals- Such as external monitors and projectors
for enhanced display options.
Hybrid Peripherals- Such as multifunction printers that scan,
copy, and print. Peripherals allow users to customize their
systems for specific applications, making them indispensable
for personal and professional use.
The computer hardware system is the backbone of any
computing device. Its components work together to process,
store, and output data, enabling efficient execution of
software
instructions.
By
understanding
the
roles
and
interactions of hardware components, users can optimize
system performance, troubleshoot issues, and make informed
decisions when upgrading or building computer systems.
Mastery of hardware concepts is a fundamental step toward
technological proficiency.
ICT MEMORY
-Computer memory is a fundamental component of
all
computing devices. It serves as a storage area for data and
instructions that are necessary for processing tasks.
-Memory
enables
information
the
computer
efficiently,
to
retrieve
influencing
and
overall
store
system
performance.
What is Computer memory?
-Computer memory is a crucial component that allows
computers to store, retrieve, and manipulate data.
-It serves as a workspace where data and instructions are
kept temporarily or permanently, depending on the type of
memory.
-The memory system is a fundamental part of any computing
device,
impacting
efficiency.
it
performance,
speed,
and
overall
-In essence, memory in a computer is a system of electronic
components that stores both active data (such as open
applications) and essential instructions (like the operating
system or BIOS firmware).
-This enables the processor to quickly access the data it
needs, ensuring smooth operations.
Types of Computer Memory
There are two primary categories of memory in a computer
system:
-Primary and Secondary Memory
Primary Memory - Primary memory, also called volatile
memory, refers to memory that is directly accessible by the
CPU.
-This memory is temporary, meaning that it loses its contents
when the computer is powered off.
-However, primary memory plays a crucial role in providing
fast access to data and program instructions that are
currently in use.
Types of Primary Memory
 Random Access Memory (RAM)
• Read Only Memory (ROM)
 Random
Access
Memory
(RAM)-
RAM
is
the
most
commonly used form of primary memory. It stores data
that the CPU needs while performing tasks.
-RAM is much faster than secondary memory, and it helps
to ensure the smooth performance of tasks like running
software
applications,
browsing
the
internet,
and
multitasking.
-The larger the RAM, the more tasks the computer can
handle simultaneously.
Read Only Memory (ROM)- ROM is a non-volatile memory that
stores firmware and essential instructions for the computer,
such as the boot-up process.
Unlike RAM, ROM retains its contents even when the power is
turned off. This makes ROM crucial for storing the permanent
software that allows the system to start up and function.
-While RAM is used for short-term data storage, ROM is Used
for long-term, critical system instructions.
Secondary Memory- Secondary memory refers to storage
devices that are used to store data permanently, even after
the computer is powered off
-Unlike primary memory, secondary memory tends to be
slower but offers much greater storage capacity. This type of
memory is typically used for long-term data storage such as
operating systems, applications, documents, media files, and
more.
Hard Disk Drive (HHD)- An HDD uses mechanical, spinning
disks to store data. These disks are coated with magnetic
material, and data is read from or written to them using a
moving read-write head.
-While HDDs offer large storage capacities and are relatively
inexpensive, they are slower than more modern storage
devices like SSDs, HDDs are still commonly used for personal
computers and servers due to their cost-effectiveness.
Solid State Disk (SSD)- An SSD uses flash memory technology
to store data, meaning it has no moving parts.
-SSDs are significantly faster than HDDs in terms of data
retrieval and storage speeds, making them ideal for tasks that
require fast access to large amounts of data.
-Although more expensive than HDDs, SSDs are increasingly
becoming the preferred choice for many modern systems,
especially
computers.
in
laptops,
tablets,
and
high-performance
Memory Performance and its Impact on System Efficiency
-The performance of a computer is heavily influenced by its
memory system. Both the size and speed of the memory
directly affect how quickly data can be accessed and
processed.
Memory Size - Memory larger the RAM, the more programs and
tasks a system can handle simultaneously.
-When insufficient, the system may rely on slower secondary
storage, such as the hard drive, to RAM is insutic Compensate
-For example, when you run out of RAM while using a program,
the system will use the hard drive as virtual memory," but hard
drives cause many delays.
-Therefore, having an adequate amount of RAM is lower than
RAM, leading to free. intensive applications smoothiy slowe
essential for multitasking and running resource-intensive
application smoothly.
Memory Speed- Memory speed refers to how quickly data can
be read from or written to a memory location.
-Faster memory results in quicker data processing, which in
turn improves the overall performance of the computer.
-Modern systems often use faster memory technologies such
as DDR (Double Data Rate) RAM for primary memory, and
NVMe (Non-Volatile Memory Express) SSDs for secondary
storage, which both offer significant performance boosts over
older memory technologies.
The Memory Hierarchy
-Computer memory is organized in a hierarchy that prioritizes
speed and proximity to the processor.
-This hierarchy ensures that the most frequently accessed
data is stored in the fastest, most accessible form of memory.
-Registers are the fastest and smallest memory units located
directly in the CPU, storing data that is actively being
processed.
-Cache Memory is a small, high-speed memory that stores
copies of frequently accessed data from main memory (RAM),
allowing the processor to access it faster.
-provides larger storage space for active data but is slower
than cache memory.
-Secondary Storage (HDDs and SSD) offers vast storage
capacities but is the slowest form of memory.
-Understanding the different types of computer memory and
how they work together is fundamental for optimizing a
computer's performance.
-Primary memory (RAM and ROM) ensures that active tasks
and
critical
instructions
are
handled
efficiently,
while
secondary memory (HDD and SSD) provides large-scale
storage for data.
INTERACTION BETWEEN USER AND COMPUTER
The way a user interacts with a computer significantly
influences
their
experience
and
productivity.
Modern
computing environments offer various methods of interaction,
ranging
from
traditional
keyboards
and
mice
to
more
advanced touchscreen and voice commands.
A. GRAPHICAL USER INTERFACES (GUIS)-is a type of user
interface that allows users to interact with electronic devices
using visual elements like icons, buttons, and windows.
ADVANTAGES
-Ease of Use- GUIs are designed to be intuitive. Users don't
need to know complex commands; instead, they can navigate
the system through icons, menus, and buttons.
Multitasking and Visual Feedback- GUIs allows multitasking
by enabling users to open multiple windows or tabs at once.
Visual feedback (such as highlighting buttons) makes the
interaction smoother and more interactive.
Error
Prevention
-
Many
GUI-based
programs
provide
contextual help, tooltips, or confirmatory pop-ups to prevent
errors.
DISADVANTAGE
Resource -Intensive guns tend to consume more system
resources like memory and processing power because they
display rich graphical elements such as emerges, animations,
and complex layouts.
• Slower Execution - Compared to a command-line interface,
performing tasks using a GUI can take longer.
Less Flexibility - GUIs are not as flexible as CLIs when it
comes to complex or repetitive tasks.
B.
COMMAND-LINE
INTERFACES (CLI)- A Command-Line
Interface (CLI) is a text-based interface where users interact
with the system by typing commands. Instead of clicking on
visual elements, the user types specific text commands that
the computer interprets and executes.
Advantages of CLIs
Speed
and
Efficiency
-
For
experienced
users,
typing
commands in a CLI is often much faster than performing the
same tasks in a GUI.
Tasks like management, system
monitoring, and running scripts can be done quickly with a few
keystrokes.
• Low Resources Usage - Unlike GUIs, CLIs consume less
memory and processing power because they don't require
visual elements.
Disadvantages of CLIs
Steep Learning Curve- CLI requires users to learn the exact
syntax and commands to perform tasks. This is difficult for
beginners who are not familiar with the system.
• No Visual Feedback - unlike a GUI, CLI does not provide
visual cues or notifications. If a user makes an error, there are
no friendly pop-ups or tooltips to guide them.
C. TOUCH INTERFACES - Touch interfaces enable users to
interact directly with a computer screen or device by touching
it.
Advantages
Intuitive
Interaction
-
Touch
interfaces
provide
direct
interaction with content, meaning the user can physically
manipulate the interface by touching, tapping, or gesturing.
• Convenience - Devices like smartphones and tablets offer the
convenience of touchscreens, allowing for fast, on-the-go use
without needing a keyboard or mouse.
Accessible for Diverse Users- Touch interfaces are accessible,
especially for users with disabilities who may have difficulty
using a mouse or keyboard.
Disadvantage
Screen Size Limitations - interfaces are often limited by
screen size, making them less effective for complex tasks that
require precise control ( e.g., detailed graphic design or
programming).
Finger
Smudges
and
Fatigue-
Prolonged
use
of
the
touchscreen may cause finger fatigue, and the screen can
accumulate smudges, making it harder to see the content.
D. VOICE INTERFACES - Voice interfaces allow people to
interact with computers using spoken commands. Devices
like Amazon Alexa, Google Assistant, Apple Siri, and Microsoft
Cortana have popularized voice interfaces.
Advantages
Hands-Free Operation -Voice allows users to interact with
devices without using their hands, making them ideal for
multitasking or situations where manual input is not possible
(e.g., driving).
• Accessibility -Voice
interfaces are highly accessible,
particularly for users with physical disabilities that prevent
them from using traditional input devices like keyboards or
mice.
Ease of Use- Voice commands are generally easy to learn,
especially for simple tasks like asking about the weather or
setting reminders.
Disadvantage
Accuracy Issues
difficulty
-Voice
understanding
recognition
accents,
systems
background
may have
noise,
or
unclear speech, leading to errors in the task execution.
• Limited Functionality - While voice assistants are improving,
they still have limited functionality compared to traditional
interfaces like GUI or CLI.
OUTPUT DEVICES
In the world of computing, communication between the user
and the machine is facilitated by input and output devices.
These devices allow users to provide commands to the
computer (input) and receive feedback or results (output.)
Whether you are typing on a keyboard, clicking with a mouse,
or viewing content on a monitor, input and output devices are
integral to your daily interaction with computers This lesson
will explore the various types of input and output devices their
functions, and their significance in a computer system.
A. Input devices- Input devices are hardware components that
allow users to send data or commands to a computer system.
Without input devices, users would have no way to interact
with or control the computer.
1. KEYBOARD- The keyboard is one of the most common input
devices used to input text, numbers, and commands into a
computer system.
TYPES OF KEYBOARDS
Mechanical Keyboards
- These keyboards use
individual
mechanical switches
beneath each key.
Membrane Keyboards
- These keyboards use a flexible membrane layer that
registers key presses.
Wireless Keyboards
- These keyboards use Bluetooth or a USB receiver to connect
to the computer wirelessly.
2. MOUSE- A mouse is a pointing device that moves a cursor
or pointer on the screen
TYPES OF MOUSES
Optical Mouse
- Uses an LED light to detect movement on a surface.
Laser Mouse
- A more advanced type of optical mouse that uses a laser
instead of an LED.
Wireless Mouse
- A wireless version of the mouse connects to the computer
using Bluetooth or a USB receiver.
3. TOUCH SCREEN- Touchscreens allow users to interact
directly with the screen by touching it.
TYPES OF TOUCHSCREENS
Capacitive Touchscreen
- Uses the electrical properties of the human finger to detect
touch.
Resistive Touchscreen
- Works by detecting pressure when the screen is touched.
4.
SCANNER-
A
scanner
converts
physical
documents,
photographs, or images into digital formats. It allows users to
preserve or edit paper-based content digitally.
TYPES OF SCANNERS
Flatbed Scanner
- A scanner with a flat surface where documents are placed
for scanning.
Handheld Scanner
- A portable scanner that users can move over the surface of
the material to capture its image.
Drum Scanner
- A highly sensitive microphone used in professional audio
recording environments.
5. MICROPHONE- A microphone captures sound
waves
(speech, music, etc.) and converts them into digital signals
that the computer can process.
TYPES OF MICROPHONES
Condenser Microphone
- A highly sensitive microphone used in professional audio
recording environments.
Dynamic Microphone
- A more durable microphone is often used in live sound
settings.
Ribbon Microphone
- A type of microphone used for capturing very high-quality
sounds, often favored in recording studios.
5. WEBCAM- The Webcam captures video and images,
enabling live streaming, video calls, and content creation. It
plays a key role in virtual meetings and video communication
platforms.
b. output devices1. MONITOR (DISPLAY SCREEN)- The monitor is the primary
device used to display visual output from the computer.
TYPES OF MONITORS
LCD (Liquid Crystal Display)
- A widely used monitor technology, which offers a clear, sharp
display.
LED (Light Emitting Diode)
- A type of LCD screen that uses LED backlighting for better
brightness and contrast.
OLED (Organic Light Emitting Diode)
- A newer technology that offers deeper blacks, better
contrast, and more vibrant colors.
Touchscreen Monitors
- Monitors that allow users to interact directly with the screen
via touch.
2. PRINTERS
Printers are used to produce physical copies of digital
documents, photos, and other materials. They are crucial for
creating hard copies for distribution or records.
TYPES OF PRINTERS
Inkjet Printer
- Uses liquid ink to print documents.
Laser Printer
- Uses toner and heat to print documents.
3D Printer
- A type of printer that creates three-dimensional objects by
laying down material layer by layer.
3. SPEAKERS- Speakers are audio output devices that convert
digital sound signals from the computer into audible sound.
TYPES OF SPEAKERS
Stereo Speakers
- Basic two-channel audio speakers that provide left and right
audio output.
Surround Sound Systems
-
Provide
multi-channel
audio
for
immersive
listening
audio
for
immersive
listening
experience
Bluetooth Speakers
-
Provide
multi-channel
experience
4. HEADPHONES- Headphones provide private audio output for
users.
TYPES OF HEADPHONES
Wired Headphones
- Have a physical cable connecting them to the computer or
device.
Wireless Headphones
- Connect via Bluetooth and provide greater freedom of
movement.
Noise-Canceling Headphones
- Designed to reduce ambient noise, making them ideal for use
in noisy environments.
5. PROJECTOR- Projectors are output devices that project
visual content onto large screens or surfaces.
INTERACTION BETWEEN INPUT AND OUTPUT DEVICES
Input and output devices work together to create a seamless
user experience. The input device sends data to the computer,
where it is processed, and the input device delivers the result
back to the user.
Introduction to free and Open-source software
What Is Free and Open-Source Software (FOSS)?
Free Software refers to software that grants users four
essential freedoms.
-Freedom to run the program for any purpose.
-Freedom to study how the program works and modify it.
-Freedom to redistribute copies of the software to others.
-Freedom
to
improve
the
program
and
release
these
improvements for others to use.
The term “Free” in Free Software refers to freedom, not price.
Open-Source Software- It focuses on making the source code
available for modification and improvement. The term “open
source” was coined by the Open-Source Initiative (OSI) in
1998.
SECURITY, FLEXIBILITY, INNOVATION
KEY PRINCIPLES OF FREE AND OPEN-SOURCE SOFTWARE
-FREEDOM TO USE
-FREEDOM TO STUDY
-FREEDOM TO MODIFY
-FREEDOM TO DISTRIBUTE
BENEFITS OF FOSS
-COST-EFFECTIVENESS- The primary advantage of FOSS is
that it is typically free of charge.
-SECURITY- FOSS is often considered more secure than
proprietary software.
-CUSTOMIZATION AND FLEXIBILITY-FOSS can be customized
to meet the specific needs of users or organizations.
-COMMUNITY SUPPORT- Many FOSS projects have active,
global communities that offer support through forums, mailing
lists, and online documentation.
-INTEROPERABILITY- FOSS generally follows open standards,
which allows it to work well with other software and
platforms.
DEFINITION OF COMPUTER VIRUS, TYPES OF VIRUSES USE
OF ANTIVIRUS SOFTWARE.
In today's digital world, cybersecurity has become more
crucial than ever. Computer viruses are one of the most
common threats to systems, posing risks to personal data,
business operations, and online activities. This lesson will
explore the nature of computer viruses, the different types of
viruses, and the essential role of antivirus software in
protecting devices and data.
WHAT IS COMPUTER VIRUS?
A computer virus is a type of malicious software (malware)
that is designed to replicate itself and spread to other systems
or programs. Viruses can cause a range of negative effects,
from slowing down system performance to stealing sensitive
data or rendering entire systems inoperable.
HOW VIRUSES SPREAD
Viruses can enter a computer through several methods:
-Email attachments
-Downloading files
-USB drives and external
- Infected websites
COMMON EFFECTS OF COMPUTER VIRUSE
•Corruption of files- Viruses can alter, destroy, or steal
important data stored on a computer.
•System crashes- Some viruses can cause the system to crash
or fail to start. •
Performance issues- The virus may use system resources,
causing the computer to slow down.
•Data theft- Certain types of viruses, such as spyware, may be
designed to steal personal or confidential information from the
user.
FILE INFECTOR VIRUS -These viruses infect executable files
(eg., exe files). When these files are run, the virus is activated
and spreads.
TYPES OF COMPUTERS VIRUSESMACRO VIRUS
Macro viruses specifically target macro codes, which are
small programs embedded in documents like
Microsoft Word, Excel, and other similar files.
BOOT SECTOR OR VIRUS- These viruses infect the boot sector
of the computer ' s hard drive or external storage devices like
USB drives
POLYMORPHIC VIRUS -A polymorphic virus changes its code
every time it replicates, making it harder for antivirus
programs to detect it.
METAMORPHIC VIRUS -metamorphic viruses completely
rewrite their code each time they infect a new system. This
makes them more difficult to detect and remove.
TROJAN HORSE -Trojan horses are often confused with
viruses but are not technically viruses because they do not
replicate themse.
WORMS-are a type of selfreplicating malware that spreads
independently, usually across networked systems
RANSOMWARE -This type of malware locks or encrypts a
victim ' s files or entire system, rendering it unusable until the
victim pays a ransom.
ROOTKITS- A rootkit is a particularly dangerous type of
virus that is designed to hide the presence of malware on the
infected system.
THE ROLE OF ANTIVIRUS SOFTWARE
•Virus Detection
•Heuristic Analysis
•Real -Time Protection
•Automatic Updates
•Quarantine and Removal
•System Cleanup
IMPORTANCE OF REGULAR SCANNING AND UPDATES
Regular system scans are vital, even with reliable antivirus
software, to identify potential threats early. Updating antivirus
is equally critical, as outdated software may fail to detect new
threats. Correct use of antivirus software, along with regular
updates and scans, is key to maintaining system security and
preventing data loss and other risks caused by viruses.
Correct use of antivirus software, along with regular updates
and scans, is key to maintaining system security and
preventing data loss and other risks caused by viruses.